Questions tagged [time-synchronization]
257 questions
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Chrony doesn't appear to be syncing with the servers I've specified
I have set Chrony to sync with 4 NTP servers (config file below). When I run chronyc tracking and chronyc sources, it looks like the servers my machine is connecting to for NTP are not correct. I'd expect to see the list of servers I specify in the…
Chris Williams
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NTP: How to establish redundant solution for NTP servers?
In my company's infrastructure there are 5 data centers in remote locations.
In each remote location, there's a pair of servers which hold DNS and NTP services and are configured on each one of the servers in that location to get DNS and NTP calls…
Itai Ganot
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How to fix time on NTP server with a lot of machines synchronized by it
I have one NTP server which has a wrong time setting which are 7 hours in the future (timezone was changed after machine shipment, but not the time). The server itself is not synchronized, but only has its local clock. On this server >10 clients…
Rick-Rainer Ludwig
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w32tm /resync not working instantly
This Question is mostly for other people to learn from and to satisfy my own curiosity if someone knows why it does the following.
We had a problem with our DC not having the right time due to it being virtualized, that has since been fixed. But…
Chris
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Why is the time on my Server 2008 R2 DC wrong? It's syncing to ntp.org, it claims
OK. After a lot of fun with syncing time across my workstations, I got that sorted out. My workstations are now perfectly synced with my Server 2008 R2 Domain Controller (physical server, not virtual).
Unfortunately, that means all our computers are…
evilspoons
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Is timesync still required for Windows Server 2012 R2?
Our servers are on a workgroup, we are a small company and do not use a domain controller. In Windows Server 2008 R2 we used TimeSync to help keep the most accurate time, not sure it was really necessary. We're reloading our servers with Windows…
Neal
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Correct time drift throughout entire Windows domain
I have done a lot of research but failed to find a reliable answer to our problem.
The short story is our entire Windows domain is running 35 minutes slow. I.e. servers and workstations. I think this is due to the operations master role being…
Kez
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How to disable time synchronization on hyper V
I have test machine on hyper v (only for test purposes so I can do with it whatever I want to), it is ws 2008 r2 x64. I need to change date to 2008 year in order to test some scenarios with expired certificates. Is there a possibility to disable…
Darqer
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Why won't my domain server (2008 R2) sync with external time service correctly?
I have configured my PDC (windows 2008 R2) to sync with external time source uk.pool.ntp.org and followed all the instructions to the letter which are set out…
Richard
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What increments stratum in NTP?
Sorry, it's just not that clear to me from the man pages, Wikipedia, etc.
I understand the concept of stratum 0 as an authoritative time source and stratum 1 as the connected server. However, I am not sure what to consider for a larger network that…
Aaron Copley
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Why did w32tm /resync cause it to correct itself, then overshoot?
Background:
My LAN's Windows Server 2012 R2 Domain Controller had been running without any external time server for a few years and I finally synchronized it now. It had been running about 2 minutes behind what it should be. Here's the command-line…
Dai
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change time grayed out in windows server 2016
I have Windows server 2016 joined to domain. I want to put back date in the server. But the option for changing date and time is grayed out. It has a message saying "Some settings are hidden or managed by your organisation".
When I change the date…
Riswan Parambath
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How to do proper VPS timekeeping?
I'm configuring a VPS to log some time-series online data and I notice that the time is off. I'd like to have better than 10 second precision on this.
I read somewhere that VPS timekeeping is different than on native (x86) systems because the error…
Xunie
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Time on Windows Server 2003 off by ten minutes
I have a DC server that runs a network of about 20 computers. This is also the DC and pushes out the time to all the client computers.
However the time on the server is 10 minutes fast and is causing problems with some syncing applications. So far I…
Alex
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KVM guest time shift on host reboot
I have installed Ubuntu server 12.04 as a KVM host, and created an Ubuntu guest that is also running Ubuntu server 12.04. The servers are in the AST time zone which is UTC + 3 hours. After setting the time correctly in the guests using date -s I am…
Marwan Alsabbagh
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